<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>书籍信息</title>
</head>
<body>
    <h1>书籍信息</h1>
    <ul>
        {% for book in books %}
            <li><a href="/books/{{ book.id }}">{{ book.btitle}}</a></li>
        {% endfor %}
    </ul>
</body>
</html>